diff options
Diffstat (limited to 'plugins/AdvaImg/src/LibPNG/pngwio.c')
| -rw-r--r-- | plugins/AdvaImg/src/LibPNG/pngwio.c | 106 |
1 files changed, 8 insertions, 98 deletions
diff --git a/plugins/AdvaImg/src/LibPNG/pngwio.c b/plugins/AdvaImg/src/LibPNG/pngwio.c index 8eacf9f6d4..c5fca989c8 100644 --- a/plugins/AdvaImg/src/LibPNG/pngwio.c +++ b/plugins/AdvaImg/src/LibPNG/pngwio.c @@ -1,8 +1,8 @@ /* pngwio.c - functions for data output
*
- * Last changed in libpng 1.5.0 [January 6, 2011]
- * Copyright (c) 1998-2011 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.0 [February 14, 2013]
+ * Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -30,11 +30,12 @@ */
void /* PRIVATE */
-png_write_data(png_structp png_ptr, png_const_bytep data, png_size_t length)
+png_write_data(png_structrp png_ptr, png_const_bytep data, png_size_t length)
{
/* NOTE: write_data_fn must not change the buffer! */
if (png_ptr->write_data_fn != NULL )
- (*(png_ptr->write_data_fn))(png_ptr, (png_bytep)data, length);
+ (*(png_ptr->write_data_fn))(png_ptr, png_constcast(png_bytep,data),
+ length);
else
png_error(png_ptr, "Call to NULL write function");
@@ -46,7 +47,6 @@ png_write_data(png_structp png_ptr, png_const_bytep data, png_size_t length) * write_data function and use it at run time with png_set_write_fn(), rather
* than changing the library.
*/
-#ifndef USE_FAR_KEYWORD
void PNGCBAPI
png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
@@ -60,64 +60,6 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) if (check != length)
png_error(png_ptr, "Write Error");
}
-#else
-/* This is the model-independent version. Since the standard I/O library
- * can't handle far buffers in the medium and small models, we have to copy
- * the data.
- */
-
-#define NEAR_BUF_SIZE 1024
-#define MIN(a,b) (a <= b ? a : b)
-
-void PNGCBAPI
-png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
- png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
- png_FILE_p io_ptr;
-
- if (png_ptr == NULL)
- return;
-
- /* Check if data really is near. If so, use usual code. */
- near_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
-
- if ((png_bytep)near_data == data)
- {
- check = fwrite(near_data, 1, length, io_ptr);
- }
-
- else
- {
- png_byte buf[NEAR_BUF_SIZE];
- png_size_t written, remaining, err;
- check = 0;
- remaining = length;
-
- do
- {
- written = MIN(NEAR_BUF_SIZE, remaining);
- png_memcpy(buf, data, written); /* Copy far buffer to near buffer */
- err = fwrite(buf, 1, written, io_ptr);
-
- if (err != written)
- break;
-
- else
- check += err;
-
- data += written;
- remaining -= written;
- }
- while (remaining != 0);
- }
-
- if (check != length)
- png_error(png_ptr, "Write Error");
-}
-
-#endif
#endif
/* This function is called to output any data pending writing (normally
@@ -126,7 +68,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) */
#ifdef PNG_WRITE_FLUSH_SUPPORTED
void /* PRIVATE */
-png_flush(png_structp png_ptr)
+png_flush(png_structrp png_ptr)
{
if (png_ptr->output_flush_fn != NULL)
(*(png_ptr->output_flush_fn))(png_ptr);
@@ -141,7 +83,7 @@ png_default_flush(png_structp png_ptr) if (png_ptr == NULL)
return;
- io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
+ io_ptr = png_voidcast(png_FILE_p, (png_ptr->io_ptr));
fflush(io_ptr);
}
# endif
@@ -177,7 +119,7 @@ png_default_flush(png_structp png_ptr) * *FILE structure.
*/
void PNGAPI
-png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
+png_set_write_fn(png_structrp png_ptr, png_voidp io_ptr,
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
{
if (png_ptr == NULL)
@@ -219,36 +161,4 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, " same structure");
}
}
-
-#ifdef USE_FAR_KEYWORD
-# ifdef _MSC_VER
-void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
-{
- void *near_ptr;
- void FAR *far_ptr;
- FP_OFF(near_ptr) = FP_OFF(ptr);
- far_ptr = (void FAR *)near_ptr;
-
- if (check != 0)
- if (FP_SEG(ptr) != FP_SEG(far_ptr))
- png_error(png_ptr, "segment lost in conversion");
-
- return(near_ptr);
-}
-# else
-void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
-{
- void *near_ptr;
- void FAR *far_ptr;
- near_ptr = (void FAR *)ptr;
- far_ptr = (void FAR *)near_ptr;
-
- if (check != 0)
- if (far_ptr != ptr)
- png_error(png_ptr, "segment lost in conversion");
-
- return(near_ptr);
-}
-# endif
-#endif
#endif /* PNG_WRITE_SUPPORTED */
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